Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.64283°NLon: 108.227°WElev: 4419.52ft.

NA

29°F

-2°C

Humidity 78%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Last update 19 May 03:25 AM MDT
Extended Forecast for

4 Miles SSW East Thermopolis WY

Freeze Warning until May 19, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until May 19, 09:00am

    NOW until 9:00am Tue

    Freeze Warning

  • Overnight

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. South southeast wind 5 to 11 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. Breezy, with a south wind 7 to 15 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Mostly Clear
    and Breezy
    then Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. South wind 5 to 9 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. South wind 5 to 9 mph becoming calm  after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, with thunderstorms also possible after noon.  High near 56. Breezy, with a light north wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 80%.

    High: 56 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 37. North wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 37 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 31. South southwest wind around 5 mph.
Tuesday
Sunny, with a high near 59. South southeast wind 5 to 11 mph.
Tuesday Night
Mostly clear, with a low around 34. Breezy, with a south wind 7 to 15 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 67. South wind 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 40. South wind 5 to 9 mph becoming calm after midnight.
Thursday
Showers, with thunderstorms also possible after noon. High near 56. Breezy, with a light north wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 37. North wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 51.
Memorial Day
Sunny, with a high near 86. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW East Thermopolis WY
 43.6°N 108.22°W (Elev. 4495 ft)
2:46 am MDT May 19, 2026
3am MDT May 19, 2026-6pm MDT May 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database